The nutrient plays a role in memory, focus, mental health and so much more. Here's how to get more of it.

Vitamin B12 deficiency can cause anemia, nerve damage, cognitive changes, and mood symptoms. Experts warn it’s often missed, especially in older adults.

Medically reviewed by Lindsay Cook, PharmD The recommended intake of vitamin B12 for people older than 14 is 2.4 micrograms a ...

Research shows vitamin B12 deficiency is common in people with diabetes, highlighting the need for targeted screening and ...